Unity Hub 0.12 bug

Stuck in install for more than 1 Hour
reopen it , i must wait until it download again ???
why there is no way to save install in cash until it done than remove it or give option to save it on disk like unity downloader ?

{"level":"warn","message":"Unhandled promise rejection, reason: There are no versions of Unity installed.\n\tstack Error: There are no versions of Unity installed.\n at listAvailableEditors.then.editors (C:\\Program Files\\Unity Hub\\resources\\app.asar\\src\\services\\editorManager\\editorManager.js:367:25)\n at <anonymous>","timestamp":"2018-02-08T15:04:48.969Z"}

{"level":"warn","message":"Unhandled promise rejection, reason: There are no versions of Unity installed.\n\tstack Error: There are no versions of Unity installed.\n at listAvailableEditors.then.editors (C:\\Program Files\\Unity Hub\\resources\\app.asar\\src\\services\\editorManager\\editorManager.js:367:25)\n at <anonymous>","timestamp":"2018-02-09T10:02:16.974Z"}

{"level":"warn","message":"Unhandled promise rejection, reason: There are no versions of Unity installed.\n\tstack Error: There are no versions of Unity installed.\n at listAvailableEditors.then.editors (C:\\Program Files\\Unity Hub\\resources\\app.asar\\src\\services\\editorManager\\editorManager.js:367:25)\n at <anonymous>","timestamp":"2018-02-10T06:25:52.007Z"}

{"level":"warn","message":"Unhandled promise rejection, reason: There are no versions of Unity installed.\n\tstack Error: There are no versions of Unity installed.\n at listAvailableEditors.then.editors (C:\\Program Files\\Unity Hub\\resources\\app.asar\\src\\services\\editorManager\\editorManager.js:367:25)\n at <anonymous>","timestamp":"2018-02-10T20:26:13.810Z"}